<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>常用字体属性</title>
  <style>
    /* 
      font-size
      font-weight
      font-family
      font-style
    */
  </style>
</head>
<body>
</body>
</html>